Thyroid carcinoma is a common disease in endocrine department，and its incidence is increasing year by year.Surgery is its main treatment method，but it is easy to have a variety of complications after operation.Insomnia，as one of the common complications，has caused serious damage to people's physical and mental health.At present，there are many side effects of Western medicine treatment，and traditional Chinese medicine treatment has excellent advantages.The author has been engaged in endocrine field for many years and has a lot of insights.This paper makes a brief summary of the clinical experience of differentiation and treatment of postoperative insomnia in thyroid cancer for reference.